#6F7491
Closest named color: Grey Blue (#647D8E). oklch(56.5% 0.045 277.2), rgb(111, 116, 145).
Aa
Black text reads best on this color (4.58:1).
About this color
#6F7491 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.045 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.031 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #6F7491 |
| RGB | rgb(111, 116, 145) |
| HSL | hsl(231, 13%, 50%) |
| OKLCH | oklch(56.5% 0.045 277.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6F7491 | 4.58:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #6F7491 | 4.58:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #6F7491 text on white | 4.58:1 | AA | Lc 71.8 | Content text, not long reading |
| #6F7491 text on black | 4.58:1 | AA | Lc -29.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB5
oklch(70.7% 0.032 277.4)
-
Step 500
500
#8388A3
oklch(63.2% 0.041 276.9)
-
Step 600
600 (this color)
#6F7491
oklch(56.5% 0.045 277.2)
-
Step 700
700
#5A5F79
oklch(49.1% 0.042 276.2)
-
Step 800
800
#4A4D62
oklch(42.6% 0.035 278.4)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#6F7491 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6C7792 | 0.009 |
| Deuteranopia (no green cones) | #6A7490 | 0.007 |
| Tritanopia (no blue cones) | #67797E | 0.040 |
| Achromatopsia (no color) | #757575 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F7491
#6F7491
oklch(56.5% 0.045 277.2)
- #7D7758
#7D7758
oklch(56.6% 0.046 98.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6F7491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.031
- Grey Purple #826D8C ΔE 0.032
- Battleship Gray #6C757D ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.035
- Slate Gray #708090 ΔE 0.036
- Purple Grey #866F85 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.040
- Stormy Blue #507B9C ΔE 0.042
Use #6F7491 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.